Longest Happy Prefix
Explore how to identify the longest happy prefix in a string by using hash maps. This lesson helps you understand the problem, constraints, and apply hash map concepts to solve it efficiently in a coding interview context.
We'll cover the following...
We'll cover the following...
Statement
Given a string, s, find the longest happy prefix. If no such prefix exists, return an empty string "".
Note: A happy prefix of a string is a non-empty substring at the beginning that also appears at the end (but not the entire string itself).
Constraints:
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